Why Does Whom Exist?

"Whom" is a pronoun that always refers to a person. ... Secondly, "whom" provides a signal that the person in question is the direct object of the verb. In other words, whomever (see!) the "whom" refers to is receiving the action of the verb (not performing the action).

Does anyone actually use whom?

“Whom” has been dying an agonizing death for decades—you'll notice there are no Whoms in Dr. Seuss's Whoville. Many people never use the word in speech at all. ... “Whom” is very rarely used even by careful speakers as the first word in a question, and many authorities have now conceded the point.

Is whom becoming obsolete?

In casual speech and writing, whom is becoming somewhat obsolete. But for formal speech and writing, always use whom when it's called for.